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Finding the Fourth Proportional to 71,326.70, 106,941.45 and 33,904.70

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Solution

The fourth proportional to 71,326.70, 106,941.45 and 33,904.70 is: 50,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,326.70 : 106,941.45 = 33,904.70 : x
  2. Step 2: Convert to fraction form
    71,326.70/106,941.45 = 33,904.70/x
  3. Step 3: Cross multiply
    71,326.70x = 106,941.45 × 33,904.70
  4. Step 4: Simplify right side
    71,326.70x = 3,625,817,779.82
  5. Step 5: Solve for x
    x = 3,625,817,779.82/71,326.70
  6. Step 6: Final answer
    x = 50,833.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.